I'll definitely post pictures as:
1. Before both replaced
2. One side with stock 9006 and one side with the replacement (9011, 9012, or high quality 9005).
3. After both replaced

Any other thoughts from folks on why this might be a good or bad idea?

My biggest concern so far is the run life - the 9011 may be 235 hours and the 9012 may be 1000 hours to 50% fail rate according to this (2004) thread at Candlepowerforums

Also, here's a GREAT visual of what to cut for make these HIR bulbs fit. Here's a taste: